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View larger Specna Arms V3 steel spring guide with bearing is a durable replacement part for V3 AEG gearboxes that replaces the standard plastic spring guide. It features a steel construction, ball bearing and freely rotating central section that supports the spring. This allows smoother axial rotation of the spring during compression and reduces unnecessary stress on the spring.

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RetroArms CNC Dural Piston Head is a precisely manufactured piston head made of strong aluminum (duralumin), designed for AEG airsoft guns. The construction with 10 pressure holes ensures proper pressure of the sealing O-ring against the cylinder wall. The integrated thrust bearing reduces spring twisting, while the duralumin construction is suitable for...
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AirsoftParts DURAL 2013 piston head is a durable CNC-machined piston head made from EN AW 6012 T6 duralumin, designed for V2, V3 and V7 gearboxes with springs up to M170. It features pressure-assisted sealing through 9 front holes, a guide O-ring for centering inside the cylinder and an axial ball bearing that allows the spring to rotate more freely...
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AirsoftParts silent piston head is a CNC-machined piston head made from EN AW 6012 T6 duralumin with a pneumatic brake that creates an air cushion before impact to reduce noise and dynamic shock. It features 9 holes for pressure-assisted sealing, an axial ball bearing and a polished surface. Designed for V2 and V3 gearboxes with springs up to M150.
Specna Arms steel spring guide is a reinforced internal part designed for airsoft guns with a V3 gearbox. It replaces the standard plastic guide with a more durable metal construction and is particularly suitable for repairs and upgrades where greater mechanical durability of the spring system is required. The main advantage of this spring guide is not only the material used, but above all its rotating design with a ball bearing. The central section of the guide rotates freely and rests on a bearing in the lower section. The spring rests against this section, allowing it to rotate more freely around its axis during compression and expansion. This reduces unwanted twisting and resistance during the gearbox operating cycle. A particularly suitable combination is to use this spring guide together with a piston head equipped with a ball bearing. The spring is then supported between two bearing points, allowing smooth axial rotation during compression. This solution is suitable not only for standard builds but also for more powerful configurations with stronger springs. The spring guide is designed exclusively for standard V3 gearboxes, which are used, for example, in many AK AEG platforms and other guns equipped with this type of gearbox. Always check the specific gearbox version before purchasing. This is not a QD spring guide for quick spring changes and it cannot be used in other gearbox types or in systems requiring a specific QD spring guide.
The ball bearing allows freer axial rotation of the spring during compression and expansion. This prevents the spring from unnecessarily twisting against a fixed spring guide during the operating cycle.
No. This is a conventional spring guide for a standard V3 gearbox. It is not designed as a QD spring guide and cannot replace specific spring guides used in QSC quick spring change systems.
Yes, the steel construction is also suitable for more powerful builds and stronger springs. However, when upgrading, the power must always be matched to the durability of the entire gearbox – especially its shell, gears, piston, motor and other stressed components.
| Variants | V3 |
| Color | Silver |
| Gearbox version | V3 |
| Spring guide | Metal |